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Preventing another Flint, Mich.; new research could lead to more corrosion-resistant water pipes

06-May-2016

With documented public water problems in Flint, Mich., and Hoosick Falls, N.Y., caused by corrosion, understanding how copper is affected at the atomic level is critical to avoiding problems in future pipes. Corrosion-related damage costs more than three percent of the United States' Gross ...

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Method stabilizes, enhances phosphorene

04-May-2016

Two years ago, Northwestern University's Mark Hersam discovered a way to stabilize exfoliated black phosphorus - or phosphorene - a layered semiconductor that chemically degrades in open air but shows great promise for electronics. By encapsulating it in aluminum oxide, he was able to stabilize ...

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Light-powered 3-D printer creates terahertz lens

02-May-2016

From visible light to radio waves, most people are familiar with the different sections of the electromagnetic spectrum. But one wavelength is often forgotten, little understood, and, until recently, rarely studied. It's called terahertz, and it has important applications in imaging and ...

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Researchers create 1-step graphene patterning method

29-Apr-2016

Researchers from the University of Illinois at Urbana-Champaign have developed a one-step, facile method to pattern graphene by using stencil mask and oxygen plasma reactive-ion etching, and subsequent polymer-free direct transfer to flexible substrates. Graphene, a two-dimensional carbon ...

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Researchers create a first frequency comb of time-bin entangled qubits

Discovery is a significant step toward multi-channel quantum communication and higher capacity quantum computers

28-Apr-2016

Quantum mechanics, with its counter-intuitive rules for describing the behavior of tiny particles like photons and atoms, holds great promise for profound advances in the security and speed of how we communicate and compute. Now an international team of researchers has built a chip that generates ...

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Contamination in North Dakota linked to fracking spills

Metals, salts and radioactivity in brine-laden wastewater years later

28-Apr-2016

Accidental wastewater spills from unconventional oil production in North Dakota have caused widespread water and soil contamination, a new Duke University study finds. Researchers found high levels of ammonium, selenium, lead and other toxic contaminants as well as high salts in the brine-laden ...

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Researchers list '7 chemical separations to change the world'

28-Apr-2016

Thermally-based industrial chemical separation processes such as distillation now account for 10 to 15 percent of the world's annual energy use. Slaking the global thirst for energy could therefore get a substantial boost from improved technologies for producing fuels, plastics, food and other ...

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Flipping a chemical switch helps perovskite solar cells beat the heat

27-Apr-2016

Thin films of crystalline materials called perovskites provide a promising new way of making inexpensive and efficient solar cells. Now, an international team of researchers has shown a way of flipping a chemical switch that converts one type of perovskite into another -- a type that has better ...

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Engineers develop micro-sized, liquid-metal particles for heat-free soldering

27-Apr-2016

Martin Thuo likes to look for new, affordable and clean ways to put science and technology to work in the world. His lab is dedicated to an idea called frugal innovation: "How do you do very high-level science or engineering with very little?" said Thuo, an assistant professor of materials ...

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Rare Earth atoms see the light

27-Apr-2016

Tiny units of matter and chemistry that they are, atoms constitute the entire universe. Some rare atoms can store quantum information, an important phenomenon for scientists in their ongoing quest for a quantum Internet. New research from UC Santa Barbara scientists and their Dutch colleagues ...

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